Download App

Organisms and Population. — Bio Zoology STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Bio ZoologyOrganisms and Population.3 Marks
Question
Why do organisms migrate? Give example.
✓

Answer

Organisms tend to move away temporarily from a stressful habitat to a new, hospitable area and return when the stressful period is over. Birds migrate from Siberia to Vedanthangal in Tamilnadu to escape from the severe winter periods.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[ 3 Marks Questions ]" from Organisms and Population.→Organisms and Population. — all question types→Bio Zoology STD 12 question papers→Tamilnadu Board STD 12 question papers→Tamilnadu Board question paper generator→

Similar questions

What is contact inhibition? How it is related to tumours growth?
→
How AIDS patient fail to develop immunity?
→
How gene therapy is done to treat ADA deficiency?
→
Given below are the structures of tRNA molecules which are involved in the translation process. In one tRNA, the codon is mentioned but not the amino acid. In another tRNA molecule, the amino acid is named and not the codon. Complete the figure by mentioning the respective amino acids and codons.
→
How agrochemicals affect ecosystem?
→
What do you mean by a template strand and coding strand?
→
The following table shows the genotypes for ABO blood grouping and this phenotypes. Complete the table by filling the gaps.
→
Name the major RNA types of prokaryotes and mention their role.
→
How the Karyotype of lymphocytes was prepared by Tjio and Levan?
→
How will you compute the age of fossil?
→